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    Donut

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    City Theatrical Donuts are used in the color frame slot of an ellipsoidal reflector spotlight  to sharpen gobo projections. Similar to the way the human eye sharpens focus when it squints, a donut reduces the aperture and sharpens the output of the fixture. There is some reduction in brightness to achieve this increase in sharpness but this is often a tradeoff that designers are willing to make.


        
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    Product Name A B C Part Number
    ColorSource Spot Jr. Donut 5.45" 5.45" 1.97" 2618
    S4, SL, SH, PC*  (3 3/16" center hole) 6 1/4” 6 1/4” 3 3/16” 2250
    S4, SL, SH, PC* (2 1/2" center hole) ** 6 1/4” 6 1/4” 2 1/2" 2260
    6” Ellipsoidal, S4 Zoom 7 1/2” 7 1/2” 3” 2200
    New! 7.5" with 2.5" Aperture 7 1/2” 7 1/2” 2 1/2” 2201
    New! 7.5" with 3.5" Aperture 7 1/2” 7 1/2” 3 1/2” 2202
    New! 10" Donut 10” 10” 4” 2218
    S4 10°, SL 10° 12” 12” 6” 2252
    S4 5° 14” 14” 7” 2251
    SL 5° 16” 16” 7” 2258
    New! 17.5" Donut 17 1/2” 17 1/2" 10” 2259
    S4 Mini  2.76" 2.76"  2.3" 2575 
    125mm  125mm 125mm 81mm 2208
    185mm  185mm 185mm 81mm 2210

    *Source Four, Strand SL, Shakespeare, Pacific (19-50°)

    **Smaller aperture provides shaper image but less brightness. 


    Features:

    • Used to help bring templates into perfect sharpness
    •  Durable black powdercoat finish
    • Fabricated from light gauge steel


    Downloads:

    New! Beam Control Accessory Sizing Chart for ETC Standard EDLT and XDLT Lenses


      2250 Donut 3/316 Center Hole
      Donut 3 3/16" Center Hole (P/N 2250)

      5416 - Source Four Lens Adapter Short With Donut
      Source Four Lens Adapter Short (P/N 5416) With Donut

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